Insights

Security Focus Sequi, Inc. specializes in embedded control products that safeguard information across critical infrastructure networks (SCADA, substation, smart grid) and supports industrial protocols like DNP3 and Modbus, presenting a strong opportunity to upsell advanced protection and monitoring solutions to utilities and critical infrastructure integrators.

PortBloque E Opportunity The December 2019 PortBloque E launch adds Ethernet firewall capabilities and deep packet inspection for Modbus traffic, signaling a potential cross-sell to existing customers and new prospects seeking industrial firewall and traffic filtering to meet security perimeter requirements.

NERC CIP Alignment Product positioning around extending the Electronic Security Perimeter boundary aligns with utilities’ compliance needs, suggesting a sales angle focused on regulatory readiness, risk reduction, and remediation services for grid operators and asset owners.

Engineering Services Sequi offers custom product development and engineering design services for advanced communications and embedded computing, presenting a gate for managed security projects, custom integrations, and scalable solutions for customers requiring tailored protective components.

Lean Growth Path With a small team and mid-market revenue range and a client base spanning automotive, electronics, defense, and medical devices, there is an opportunity to target niche verticals with high security needs and expand via partnerships with system integrators and OEMs seeking secure embedded solutions.

Sequi, Inc. Tech Stack

Sequi, Inc. uses 8 technology products and services including Google Ads Conversion Tracking, Google Hosted Libraries, Google Fonts API, and more. Explore Sequi, Inc.'s tech stack below.

  • Google Ads Conversion Tracking
    Analytics
  • Google Hosted Libraries
    Content Delivery Network
  • Google Fonts API
    Font Scripts
  • jQuery
    Javascript Libraries
  • Google Tag Manager
    Tag Management
  • Apache HTTP Server
    Web Servers
  • Apache
    Web Servers
  • X-UA-Compatible
    Web Tools And Plugins

Sequi, Inc.'s Email Address Formats

Sequi, Inc. uses at least 1 format(s):
Sequi, Inc. Email FormatsExamplePercentage
FLast@sequi.comJDoe@sequi.com
50%
First.Last@sequi.comJohn.Doe@sequi.com
50%

Frequently Asked Questions

Where is Sequi, Inc.'s headquarters located?

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Sequi, Inc.'s main headquarters is located at 17221 East 17th Street Suite m Santa Ana, California 92705 United States. The company has employees across 2 continents, including North AmericaEurope.

What is Sequi, Inc.'s official website and social media links?

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Sequi, Inc.'s official website is sequi.com and has social profiles on LinkedIn.

What is Sequi, Inc.'s NAICS code?

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Sequi, Inc.'s NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Sequi, Inc. have currently?

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As of May 2026, Sequi, Inc. has approximately 5 employees across 2 continents, including North AmericaEurope. Key team members include Owner: M. V. H.. Explore Sequi, Inc.'s employee directory with LeadIQ.

What industry does Sequi, Inc. belong to?

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Sequi, Inc. operates in the Computer and Network Security industry.

What technology does Sequi, Inc. use?

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Sequi, Inc.'s tech stack includes Google Ads Conversion TrackingGoogle Hosted LibrariesGoogle Fonts APIjQueryGoogle Tag ManagerApache HTTP ServerApacheX-UA-Compatible.

What is Sequi, Inc.'s email format?

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Sequi, Inc.'s email format typically follows the pattern of FLast@sequi.com. Find more Sequi, Inc. email formats with LeadIQ.

When was Sequi, Inc. founded?

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Sequi, Inc. was founded in 1999.
Sequi, Inc. logo

Sequi, Inc.

Computer and Network SecurityCalifornia, United States2-10 Employees

Sequi, Inc. operates in the computer and network security sector, designing and manufacturing embedded control products that protect information across SCADA, substation, and smart grid networks. Their offerings are compatible with IP and serial DNP3 and Modbus communications, and they are designed to extend the Electronic Security Perimeter in line with NERC CIP requirements, incorporating security measures for assets such as breakers, relays, meters, and IEDs. The company also develops custom products and provides engineering design services for advanced communications, networking, and embedded computing applications.

Headquartered in Santa Ana, California, Sequi, Inc. was founded in 1999 and serves clients across automotive, electronics, defense, and medical device industries. In December 2019, the company launched PortBloque E, a product that introduces Ethernet firewall functionality and deep packet inspection for Modbus TCP/UDP traffic.

Section iconCompany Overview

Headquarters
17221 East 17th Street Suite m Santa Ana, California 92705 United States
Website
sequi.com
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1999
Employees
2-10

Section iconFunding & Financials

  • $1M$10M

    Sequi, Inc.'s revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    Sequi, Inc.'s revenue is estimated to be in the range of $1M$10M

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